ISG单级立式离心泵，是一种主要作为管道系统增压的立式离心泵。
Single-stage vertical centrifugal pump ISG is one of the main pipeline system as a vertical centrifugal supercharger.
用该系统对某级增压比2.2的单级高负荷后掠风扇进行了后掠和前掠大小叶片改型设计。
Using this design system, a high-loaded backward-swept fan with a stage pressure ratio of 2.2 was redesigned firstly as a backward-swept and secondly as a forward-swept splittered fan.
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